Finding the Fourth Proportional to 2,048,793.60, 2,827,491.84 and 1,131,199.68
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Solution
The fourth proportional to 2,048,793.60, 2,827,491.84 and 1,131,199.68 is: 1,561,142.06
Step by Step Solution
- Step 1: Write the proportion equation
2,048,793.60 : 2,827,491.84 = 1,131,199.68 : x - Step 2: Convert to fraction form
2,048,793.60/2,827,491.84 = 1,131,199.68/x - Step 3: Cross multiply
2,048,793.60x = 2,827,491.84 × 1,131,199.68 - Step 4: Simplify right side
2,048,793.60x = 3,198,457,864,610.61 - Step 5: Solve for x
x = 3,198,457,864,610.61/2,048,793.60 - Step 6: Final answer
x = 1,561,142.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.